2022年小升初英语数词专项讲解及练习3.docx
精选学习资料 - - - - - - - - - 数 词一、 数词的种类 数词分基数词和序数词基数词是表示自然数列的词, 例如; one 、two、three 、four . 序数词是表示先后次序的词, 例如: first、second、third 、fourth 二 基数词和序数词的表示法 1基数词单词的拼写: 112 为单词 one two three four five six seven eight nine ten eleven twelve 1319 都以后缀 -teen 结尾, 20 至 90 这样的整十数 都以后缀 -ty 结尾,其他基数词中间加连字符 号“- ” 再根据上述的变化进行;例: 21twenty-one 56fifty-six 85eighty-five 三位数的构成为:几+百+and+末两位(或末一位)数 例: 132one hundred and thirty-two 205two hundred and five 千以上的数字的读法: 从后面往前, 每三位数作为一个单位, 分别为thousand 、million. 32、548、652、读作: 1.thirty two million 1 名师归纳总结 - - - - - - -第 1 页,共 7 页精选学习资料 - - - - - - - - - 2.five hundred and forty eight thousand 3.six hundred and fifty two 2. 序数词 =基数词 +th 1 、2、3 为 first、 second 、third;数词分基数词和序数词但以下几种情形要留意:1 fifth 第五 、 eighth 第八 、 ninth 第九 、twelfth 第十二)2 以 ty 结尾的基数词变词尾为 tieth 例: twentytwentieth ninetyninetieth 序数词表示十位与个位数时,十位与个位之间用“ ”3 复合序数词只需要将相应基数词中最终一位变成序数词,其余不变;例:其次十一 twenty-first 其次百四十五 two hundred and forty-fifth 2 名师归纳总结 - - - - - - -第 2 页,共 7 页精选学习资料 - - - - - - - - - 三 基数词序数词的用法1. hundred 、thousand 、million 与数字连用,表示肯定量的详细数字,不用复数,但表示不定概念可用复数 例: three hundred people millions of people 2. 基数词表示时刻;例: 7 点 seven o clock 7:20 seven twenty 3. 给某些事物编号 例:Lesson One=the first lesson 7 月 1 日=July I July Ist 1996 年 6 月 3 日=June 3, 1996 =June the third, nineteen ninety-six 4.in+one s+整数数词的复数形式表示年龄例:The old woman is in her nineties. He is his early forties. 5. 有关倍数表示法两倍用 twice, 三倍以上用数词 +times, 要留意倍数在句子的位置;3 名师归纳总结 - - - - - - -第 3 页,共 7 页精选学习资料 - - - - - - - - - 例:例:The door is three times the size of this. He is double my age. 4 名师归纳总结 - - - - - - -第 4 页,共 7 页精选学习资料 - - - - - - - - - 数词 Practice 练习吧1.写出以下数词对应的英语形式;2.单项挑选() 1. There are_days in a week. A.the seven B. seventhC. the seventh D. seven () 2. I think that the _ century 世纪 will bring us more hopes. A. twenty-one B. twentieth-first C. twenty-first D. twentieth-one () 3. -How many students are there in your school. -_ the students in our school_ over two thousand. A. The number of ; is B. The number of ; areC. A number of ; is D. A number of ; are () 4. The new student is in_ . A. Class 2 B. Class Second C. 2 Class D. class 2 5 名师归纳总结 - - - - - - -第 5 页,共 7 页精选学习资料 - - - - - - - - - () 5. -How many teachers are there in your school. - _,but Im not sure.A. Hundreds B. Hundred C. Hundreds of D.One hundred () 6. _of the teachers in our school is about one hundred, and of them are _ women teachers. A. The number, two-thirds C. A number, halfB. The number, two-thid D. A number, three-quarters () 7. - Dad , when will you be free. - I am sorry, Jean. But I think I will have a _holiday soon. A. four-days B. four-dayC. four days D. four day () 8. Fan Zhiyis transfer to Dundee Football Club at the e nd of last year aroused 激起 _Chinese people s interest.A. thousand of B. thousand C. thousands of D. thousands () 9. This story happened on_ . A. 1989, Oct 21st B. Oct. 21st ,1989C. 21 Oct, ber , 1989 D. 21st of Octber, 1989 ()10. "Seven five" can be written_. A. five sevens B. five to seven C. seven fives D. five past seven () 11. The English for 10,440 is_ . A. ten thousand , four hundreds and forty B. ten thousand, four hundred and forty C. ten thousands, four hundred and forty D. ten thousand and four hundred, forty 6 名师归纳总结 - - - - - - -第 6 页,共 7 页精选学习资料 - - - - - - - - - () 12. _of the workers in the factory is about two hundred, _of them are _women workers. A.The number, first-third C. A number, halfB. The number, one-third D. A number, three quarters () 13. - Can you write the number eighty- five thousand , six hundred and twenty-six. - Yes, it is_ . A. 85662 B. 85626 C. 85006 D. 85620 () 14. About _of the books in our school library are written in Chinese. A. Fourth -fifths B. four fifth C. four fifths D. fourths-fifth () 15. The road is over_ meters long. A. six hundred and fifty-twoB. six hundreds and fifty two C. six hundred, fifty two D. six hundred, fifty and two () 16. January_ is New Years Day. A. one B. two C. the first D. the second () 17. Take the_ turning on your night. A. nine B. ninth C. nineteen D.nineth 7 名师归纳总结 - - - - - - -第 7 页,共 7 页